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High, Dry, and Rare in the Sky
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Published June 26, 2021
Noctilucent clouds form so high in the atmosphere that they continue to reflect sunlight hours after sunset, creating a spectacular nighttime display.
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Another Lively Season of Night-Shining Clouds
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Published July 9, 2020
Extremely cold and wet conditions in the mesosphere have led to abundant noctilucent clouds.
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Clouds Light the Night
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Published June 27, 2019
As spring turns to summer in the northern hemisphere, unusual streaks of clouds form high in the atmosphere around sunset.
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Night-Shining Clouds
Published June 19, 2015
High-altitude clouds appeared as far south as the continental United States in early June 2015.
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